Add basic support for RISC-V 64-bit EFI objects

This adds a new PEI target pei-riscv64-little.  Only objdump and objcopy
are supported.

bfd:
	* .gitignore: Add pe-riscv64igen.c.
	* Makefile.am (BFD64_BACKENDS): Add pei-riscv64.lo,
	pe-riscv64igen.lo.
	(BFD64_BACKENDS_CFILES): Add pei-riscv64.c.
	(BUILD_CFILES): Add pe-riscv64igen.c.
	(pe-riscv64igen.c): New rule.
	* Makefile.in: Regenerate.
	* bfd.c (bfd_get_sign_extend_vma): Add pei-riscv64-little.
	* coff-riscv64.c: New file.
	* coffcode.h (coff_set_arch_mach_hook, coff_set_flags)
	(coff_write_object_contents): Add riscv64 (riscv64_pei_vec)
	support.
	* config.bfd (targ_selvecs): Add riscv64_pei_vec to all riscv*
	targets.
	* configure.ac: Handle riscv64_pei_vec.
	* configure: Regenerate.
	* libpei.h (GET_OPTHDR_IMAGE_BASE, PUT_OPTHDR_IMAGE_BASE)
	(GET_OPTHDR_SIZE_OF_STACK_RESERVE)
	(PUT_OPTHDR_SIZE_OF_STACK_RESERVE)
	(GET_OPTHDR_SIZE_OF_STACK_COMMIT, PUT_OPTHDR_SIZE_OF_STACK_COMMIT)
	(GET_OPTHDR_SIZE_OF_HEAP_RESERVE, PUT_OPTHDR_SIZE_OF_HEAP_RESERVE)
	(GET_OPTHDR_SIZE_OF_HEAP_COMMIT, PUT_OPTHDR_SIZE_OF_HEAP_COMMIT)
	(GET_PDATA_ENTRY, _bfd_XX_bfd_copy_private_bfd_data_common)
	(_bfd_XX_bfd_copy_private_section_data)
	(_bfd_XX_get_symbol_info, _bfd_XX_only_swap_filehdr_out)
	(_bfd_XX_print_private_bfd_data_common)
	(_bfd_XXi_final_link_postscript, _bfd_XXi_only_swap_filehdr_out)
	(_bfd_XXi_swap_aouthdr_in, _bfd_XXi_swap_aouthdr_out)
	(_bfd_XXi_swap_aux_in, _bfd_XXi_swap_aux_out)
	(_bfd_XXi_swap_lineno_in, _bfd_XXi_swap_lineno_out)
	(_bfd_XXi_swap_scnhdr_out, _bfd_XXi_swap_sym_in)
	(_bfd_XXi_swap_sym_out, _bfd_XXi_swap_debugdir_in)
	(_bfd_XXi_swap_debugdir_out, _bfd_XXi_write_codeview_record)
	(_bfd_XXi_slurp_codeview_record) [COFF_WITH_peRiscV64]: Define.
	(_bfd_peRiscV64_print_ce_compressed_pdata): Declare.
	* peXXigen.c (_bfd_XXi_swap_aouthdr_in, _bfd_XXi_swap_aouthdr_out)
	(_bfd_XXi_swap_scnhdr_out, pe_print_pdata)
	(_bfd_XX_print_private_bfd_data_common)
	(_bfd_XX_bfd_copy_private_section_data)
	(_bfd_XXi_final_link_postscript): Support COFF_WITH_peRiscV64.
	* pei-riscv64.c: New file.
	* peicode.h (coff_swap_scnhdr_in, pe_ILF_build_a_bfd)
	(pe_ILF_object_p): Support COFF_WITH_peRiscV64.
	(jtab): Add dummy entry that traps.
	* targets.c (_bfd_target_vector): Add riscv64_pei_vec.

binutils:
	* testsuite/binutils-all/riscv/pei-riscv64.d: New.
	* testsuite/binutils-all/riscv/pei-riscv64.s: New.

include:
	* coff/riscv64.h: New file.
	* coff/pe.h (IMAGE_FILE_MACHINE_RISCV32)
	(IMAGE_FILE_MACHINE_RISCV64): Define.

1 files changed, 9 insertions, 1 deletions

diff --git a/bfd/Makefile.am b/bfd/Makefile.am
index 378c131..7f4b543 100644
--- a/bfd/Makefile.am
+++ b/bfd/Makefile.am
@@ -586,10 +586,12 @@ BFD64_BACKENDS = \
 	pe-aarch64.lo \
 	pe-aarch64igen.lo \
 	pe-loongarch64igen.lo \
+	pe-riscv64igen.lo \
 	pe-x86_64.lo \
 	pei-aarch64.lo \
 	pei-ia64.lo \
 	pei-loongarch64.lo \
+	pei-riscv64.lo \
 	pei-x86_64.lo \
 	pepigen.lo \
 	pex64igen.lo \
@@ -635,6 +637,7 @@ BFD64_BACKENDS_CFILES = \
 	pei-aarch64.c \
 	pei-ia64.c \
 	pei-loongarch64.c \
+	pei-riscv64.c \
 	pei-x86_64.c \
 	vms-alpha.c
 
@@ -691,7 +694,8 @@ BUILD_CFILES = \
 	elf32-ia64.c elf64-ia64.c \
 	elf32-loongarch.c elf64-loongarch.c \
 	elf32-riscv.c elf64-riscv.c \
-	peigen.c pepigen.c pex64igen.c pe-aarch64igen.c pe-loongarch64igen.c
+	peigen.c pepigen.c pex64igen.c pe-aarch64igen.c pe-loongarch64igen.c \
+	pe-riscv64igen.c
 
 CFILES = $(SOURCE_CFILES) $(BUILD_CFILES)
 
@@ -901,6 +905,10 @@ pe-loongarch64igen.c: peXXigen.c
 	$(AM_V_at)echo "#line 1 \"$<\"" > $@
 	$(AM_V_GEN)$(SED) -e s/XX/peLoongArch64/g < $< >> $@
 
+pe-riscv64igen.c: peXXigen.c
+	$(AM_V_at)echo "#line 1 \"peXXigen.c\"" > $@
+	$(AM_V_GEN)$(SED) -e s/XX/peRiscV64/g < $< >> $@
+
 host-aout.lo: Makefile
 
 # The following program can be used to generate a simple config file